Error flashing partition : Volume Full [Fixed]

One of the users dropped in their query in the Droidwin Group [our Telegram Channel] wherein he said that he was greeted with the Error flashing partition : Volume Full when trying to flash a file on their device. Upon asking for more information, he told me that he was trying to root his device by patching and flashing the file in the init_boot partition. This didn’t help me much, so I asked for a screenshot of the CMD window. He sent me that photo, which had the following information:

Warning: skip copying init_boot image avb footer (init_boot partition size: 8388608, init_boot image size: 201326592).

Sending 'init_boot' (196608 KB) OKAY [ 4.512s]

Writing 'init_boot' FAILED (remote: 'Error flashing partition : Volume Full')

fastboot: error: Command failed

Let’s try to understand it in tabular form:

So his device’s init_boot partition size [which is usually the case for most Android devices], whereas the init_boot.ing size is shown as 192MB [which is never the case]. Moreover, a 192MB file can obviously never fit inside an 8MB partition. So the reason for this error message was now clear. Likewise, the fix was now right in front of me as well. So without any further ado, let’s make you aware of it as well. Follow along.

Error flashing partition : Volume Full [Fixed]

Since the size of the file was shown as 192MB, I got the idea straightaway that he is flashing the boot.img file instead of init_boot.img. I have flashed numerous boot.img files in the past cross numerous devices, and I am very much aware of their file size. So he seems to have patched the boot.img file instead of init_boot.img, and then proceeded to flash it in the init_boot partition. He did the second part correctly, but messed up the first one!

For the unaware, any device launched with Android 13+ should use the init_boot.img file for rooting, patch it, and then flash it in the init_boot slot. However, he seems to have chosen the boot.img file instead of init_boot [which is of 192MB, its usual size], patched it via Magisk or KernelSU, and then flashed it via Fastboot into the init_boot slot [whose size is 8MB, its usual size]. Trying to fit the 192MB file into the 8MB partition, you very well know what’s going to happen. So I explained all this, and the issue was then rectified from his end.

If you are also dealing with this Error flashing partition : Volume Full error but are using any other file apart from boot or init_boot, then the underlying cause is the same as discussed in this guide. Either you are flashing an incorrect file or flashing it to an incorrect partition. If you aren’t sure of a file’s partition, you may ask me in the article’s comment section. I’ll get back to you with a solution at the earliest.

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